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CVE-2026-40508

OpenEMR

Description

OpenEMR before 8.3.0 contains a stored cross-site scripting vulnerability in the patient portal template import handler that allows authenticated attackers with Forms Administration permissions to upload template files containing arbitrary HTML or JavaScript. Attackers can inject malicious scripts through the template upload functionality, which are stored without sanitization and execute in the browser of any other Forms Administration user who views the template in the HTML editor.

CVSS 5.4EPSS 0.17099999999999999%Risk 0.55
View source
Published
2026-08-19 15:17:01
Affected versions
<8.3.0
Type
Web application
Last modified
2026-08-19 16:17:09
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N